Blade-stropping device



April -12 1927 G. D. GALLAGHER BLADE S'lROPPING DEVICEV original FiledAug. 5, 1919 2 Sheets-Sheet 1 wwntoz April 12, 1927, l 1,624,592

G D.` GALLAGHER BLADE STROPPI NG DEVICE Original Fild Aug. 5." 1919 2Sheets-Sheet 2 ulllllllllllllllrl.

@wy/MM Patented Apr. 12v, 1927.

UNITED STATES PATENT orrice GEORGE D. GALLAGI-IER, 0F PHOENIX, ARIZONA,ASSLGNOR, BY MESNE ASSIGNMENTS OF PART INTERESTS, TO NANNIE F.I-OOS,YRUTH B. VALTEN, BOTH OF BALTMORE, MARYLAND; CALLE F. MGGRE,OFVASIINGTON, DLESTRCT OF COLUMBIA; AND J'. MARCH MATTHEWS, OF BALTIMORECUNTY, MARYLAND.

BLADE-'STROPPYING DEVCE.

Application filed August 5, 1919, Serial This invention relates tostropping devices Jr'or razor yblades and has fora-n object to provide adevice embodying new and improved features of convenience of operation,compactness of structure, and efiiciency of operation.

` A further object of the invention` is to provide a stiopping deviceadapted for pocket use or transportationv in hand luggage or the like,designed to occupy a minimum of space for maximum etiiciency.

In my prior `Patent No. 1,819,149, granted October 21, 1919,. thestropping rolls and blade holder have an endwise shifting mover mentduring theA blade oscillating movements.

One ot' the principal objects of the present invention resides inproviding a construction wherein the stroppiiig rolls and blade holderare free of suchl axial movement.

Still another object of this invention resides in modifying thestructure 'of my prior invention by eliminating at one end of the casingthe projecting ends of the sleeves which carry the stropping rolls. Y

Another object resides in avoiding the use of the inner roll carryingcarriage which, while having certain advantages of construction, is toan extent objectionable, in that it provides an additional second casingthrough which the blade must be withdrawn endwise.

A further object of this invention resides in the provision of separatesleeves which telescope within the stropping rolls during the bladeshifting operation, and which sleeves form relatively long bearings toprevent lateral play of the spiral driver.

A further phase of the invention resides in the slotted sleeves and inthe manner in which they form the driving connection between thestropping -rolls and the spiral driver whereby to permit the shifting oithe blade into Contact with the stropping rolls so as to provide adriving connection for the rolls.Y Y e f A further phase of thisinvention residesV in shitting the blade holder by providing a workingcontact between the blade holding` spiral and a member in the enclosingcasing instead of having the blade'holding spiral work through anaperture in the casing as in my prior patent.

No. 315,517. Renewed August 22, 1925.

An additional object lies in the specific construction oit the means bywhich the spiral ot the blade holder is shifted by the endwise movementsor the sliding sleeves surrounding the spiral driver.

An additional feature yof the invention resides in the means for holdingthe blade holder from accidental endwise movement while permitting itsfree withdrawal when the blade is to be pulled out of the casing.

A final object of this iiiventionfis to provide a construction in whicha single stropping roll is used in connection with a blade holder forv asingle edge blade together with an 'enclosing vcasing which permits theVopposite sides of the blade edge to Contact with the roll. W'ith theseand other objects in view the invention comprises certain novelconstructions, units, combinations and arrangements oit parts, as willhereinafter be more fully describedr and claimed.

Referring to the accompanying drawings which are made a part hereof andon which similar reference characters indicate similar parts,

Figure 1 is a view of the device in top plan with the casing in sectionand the parts extended to their limit;

Figure 2, a transverse sectional view through the device taken on line 22 of Y FigureA 1;

Figure 3, a section taken on line 3 3 of Figure 1 with the parts closedinto the mini-V mum space; y

Figure 4, a longitudinal sectional view taken on line 4 4 of Figures 2and 3;

Figure 5, a view of the device in end elevation, as indicated by arrow 5at Figures I l, 3 and 4, and showing line of Figure 4; Y

' Figure 6, a detail plan view of the worin drive member; i

Figure 7, a perspective view of the bladeV holder support; l

Figure 8,` a perspective view of the yoke actuating the blade holdersupport;

Figure 9, a perspective 'view of the collar engaging the yoke; Y

Figure 10, a longitudinal sectional view through the type 'for stroppinga blade of the single edged type;

4 4 the plane Fifrure 11. a transverse sectional view through the typeand taken on line 11-11 of Figure 10; and

Figure 12 an enlarged detail sectional view showingr the manner oit'connecting the roller with the sleeve, taken on line 12-12 et Figure Themain di'llerenee between the present invention and that shown in myprior Pat-- ent No. 1,319,149 ot October 21. 1919, resides in a.construction whereby the stropping rolls and blade holder are held 'fromendwise movement in the enclosing casing. Certain other importantdetails of construction will be evident from the sub-joined description.In the drawingg's, the invention em bodies both a single edgeI anddouble edge stropper tor stropping the double edge type ot' bladecomprises a pair ot' spaced rolls 15, which are preferably. thoiufh notnecessarily. constructed ol" wood or similar material, and are mountedon hollow cores 1G. Cores 1G serve as `iournals ilfor the rolls whichare journalled at one end in the end cap 1T ot the support which in thepresent instance is torined as an enclosing;I casing; and at theopposite end in a partition 18 extending` across the body ot the casingr19 and held in place as desired. At the other end ol the easing,` asecond end cap 20 is provided similarto the end cap 17 in most respects.

The length of the rolls 15 is such that they are held with reasonablelreeness ot' rotation between the end cap 17 and the partition 1 8, andare covered with any approved stropping material which is indicated asleather,

for instance, secured to the rollers in spiral strips 21. It is obvioustherefore that given the proper rotation, the rolls 15 with theirstroppin,r material 21 will engage and strop blade Q2 properlypositioned between the rollers and provided with ineens 'foroscillatingr such blade to bring its edges into successive engagementwith the rotating` rollers. For the purpose ot positioning the blade, ablade holder support Q3 in the `lorm o an oppositely slitted tube shownin perspective at Figure 7, is iournalled in the end cap 1T andpartition 18. Preferably this is accomplishedby means oil collars letrigidly mounted upon the tubular niember Q3 and spaced upon oppositesides o'l the partition 18. This permits the oscillation'ot the tubularmember L3 while preventing its longitudinal movement; The double type otblade is shown at Q2 in Figures 1 and 2, requires means :for properlypositioningr and holding' it within the tubular member 23. This isacco1nplished in one manner by use ot' a blade holder 25 cut away tosubstantially half its diameter' throughout the maior portion ot itslength with lugs 2G remaining properly positioned to engage the openingsel the blade and with an undercut 2T into which the end of the blade isfirst inserted and then closed downwardly over and upon the lugs 2G. Tomaintain the blade holder Q5 in the tubular member Q?) to permit itsready withdrawal and insertion and yet maintain it in position toroperation, a lug' Q8 is provided positioned to engage either one of theperfo rations 29 in the tubularI member. The end cap ot the easing 17provided with slots l0 which combine and extend diametri ally on theopposite sidesoit the tubular member 23 and are ol such proportion as topermit the .insertion ol the blade 22 and the blade holder within thetubular member 23. fitter such insertion to the position shown at Figurel il is obvious that it may be oscillat-ed so that either side ot eitheredge may be brought into stropping relation with the rollers 15, theedges thus in contact as shown at Figure Q, will be subjected to theoperatiner a etion ot such rollers.

In view ot the oscillation ot' the blade it is obvious that the rollsmust be rotated in the same direction for operating upon opposite bevelsoft the blade to prevent cutting the surtaees ot' the rolls. To provide,for such rotation a sleeve 31 is mounted within the core 1G tor alimited sliding movement. The slidingr movement is provided byproducing.: a slot 32 in the sleeve 31 (see Figure 12) and a portion otthe journal or core 16 'forming a key 33 is strutk inwardly within the,slot. 32. This insures the rotation of the sleeve 31 and core 1litogether, but permits a limited sliding movementof the sleeve 31relative to the core 1G. The .sleevel extends outwardly through the endof the easing to form an extended bearing 20 and is alpable `ot`movement from the position shown at Figure 1 to the position shown atFigure a Within each ot' the sleeves 31 a spiral il is slidably mounted,preferably, though not necessarily. constructed by twisting a squarerod, as indicattul especially at Figure (i. Rotary moven'ientisinu'iarted to the sleeve 31 trom the spiral by striking down asindicated at 35 a portion ot the sleeve 3l into engage ment with thespiral. It is obvious now that when the spirals are reciprocated intoand out of the casing, the stroppingr rolls will be rotatedsimultai'ieously in the same direction; first in one direction and thenreversely in the other direction. For thel purpose oit imparting thissimultaneous reciproeation to the worms Si a handle 3G is provided whichmay be grasped by the hand ot the operator. This handle is preferably'formed with an eye 37 adapted lor engagement with a hook 3S secured ina wall or other object 3l) whereby the casina1 may be grasped by onehand and the spiral member being: held against re.- eiprocation by thehook, the stroppng rolls are properly rotated by relative movement otthe casing and spirals.

To impart the necessary oscillatory move Lit Figure 8) properly shapedand proportioned Y to embrace the spiral so that movement of the bridgepiece longitudinally upon the spiral will impart oscillatory movementthereto when such movement is intermittently and alternately in oppositedirections.

To provide for such oscillation of the bridge piece4l the bridgepiece isprovided at opposite Yends with segmental cutouts 43 embracing spools 44carried rigidly upon the sleeves 31. y x

Upon movement of the spiral driver, comprising the blade 36 and the twospirals 34, into the casing 20, the spirals 34 engaging the struck-inlugs 35 of the sleeves 31 tend to Vturn the sleeves and thevstroppingrolls which are mounted on the sleeves. However,

' the inertia or resistance of the rolls against rotation is sufficientto cause the sleeves 3l to move bodily endwise with the inward movementof the spiral driver. rIhis endwise movement of the sleeves 3l withinthe strol'ipin'g rolls is made possible by the slots and the lreys 33 asshown in Fig. l2. rEhe endwisemovement of thesleeves 31 carries withthem the bridge piece-the grooved spools 44 rotating freely in thecut-out portion 43 of the bridge piece while holding the latter fromrotation. As this bridge piece is thus moved from the position shown infull lines to dotted lines (Fig. l), the

the work holding support whereupon the `tube 23 'with the blade holderand blade therein is shifted so that the blade is brought into firmcontact with the stropping rolls or roll. This shifting ofthe bladeholder is due to the fact that the resistance tothe turning of the bladeholder is less than that of the stropping rolls. Contact of the bladewith the stropping roll forms an abutment which prevents furthermovement of the spiral 40 and the bridge piece which'consequentlyprevent-s further endwise movement of the sleeves 3l. And, since thesleeves 3l are vnow not free to move axially, the continuedinwardmovementA of .the spirals causes their rotation. Upon reaching theinward movement-cf the stroke of the spiral driver, Yits direction isreversed and the the double edged blade except'that only a single roller15 is employed and the yoke 41 does not extend across to embrace spools44 upon two sleeves, but only a single sleeve 44. The .blade holder4.5.for this type of blade is preferably a tube of larger dimensionsthan the holder for Ythe double type of blade and is slit only upononeside so that the blade 22 as indicated at Figure l1, will beinserted insaid slit with the back bearing against the opposite side. The angle ofoscillation of this type of holder is greater than the angle ofoscillation of the holder as it is'necessary that the blade 22 be swungabout a sufficiently large arc to engage the same roller upon differentradii. rlhe movement however is fullydisclosed by Figures l0 and 11 sothat further explanation will not be necessary. In either typewithdrawal of the spirals 34 and 34v is prevented by providing any meansat their eX- tremitiespfor engagement with the struck-in portion 35 or35 here indicated as a screw 46 inserted into the extremities of suchspirals, it being understood however that any obstruction or mutilationof the parts may be substituted therefor. A e

It is believed that the operation of the device has been sumciently andclearly explained in describing the parts and their several functionsand the operation of the completed device lwill not add to theunderstandingof the case. i

Having thus fully described my said invention, what I claim as new anddesire to secure by Letters Patent, is: t l. A blade stropper comprisinga support, a roll carried by said support, a blade holder supportjournaled for angular movement adjacent said roll and incapable ofendwise movement, a reciprocable driver, means to translate the oppositereciprocating nievements of the driver into opposite rotary movements ofthe roll including a sleeve constructed and arranged to reciprocate alimted distance with the driver, and means to translate oppositereciprocations of the vsleeve into yopposite angular movements of theblade holder support.

Y 2. A blade stropper comprising a casing. a pair of spaced stroppingrolls journaled in the casing against endwise movement, a blade holdersupportjournaled between the rolls, a driver reciprocable into and outof `the casing, vmeans to translate the opposite reciprocations of thedriver into rotary movement of the rolls, first iny one direction andthen in the other including a sleeve mounted within the casing' adaptedto reciprocate alimited distance with the driver, and means to translateopposite reciprocations of the driver ,into opposite oscillations of theblade holder support.

3. A blade stropper comprising a casing, hollow stropping rollsjournaledV therein and held fromv endwise movement, a driver' havingparallel spirals reciprocable through one end oi the casing and withinthe hollow rolls, means connecting the rolls and spirals wherebyopposite reciprotaitions ol' the spirals are translated into reversedrotary niovenients ot the rolls simultaneously in the same direction, ablade holder support mounted within the casing and between the rolls,and means actuated 'from the spirals 'for imparting oscillatorymovements to the `blade holder support in timed relation to the reversalo'l the rotary movements et the rolls.

el. A safety raf/.or blade stropper comprising an enclosing casing,rotatable stropping means journaled therein and held aejainst endwisemovement, an angularly shittable blade holder support journaled thereinin spaced relation to said stropping means, a driver reciprocable intoand out ot said tasingr axially ot' said stropping mean-a and bladeholder support, and devices operatively connecting said driver with saidstropping means and blade holder support whereby to position said bladeholder support and to rotate said stropping means.

5. A safety razor blade stropper comprising an enclosing casing,rotatable stropping means and a blade holder support journaled thereiniter rotational movement only, a driver reciprocable into and out oi1said casing in a plane parallel with the plane ot rotation ot' saidstropping means, and devices operatively connected to said stroppinglineens and blade holder support and shi'litable by said driver in suchplane for ixisitioning' said blade holder support and rotating' saidstropping means.

(l. A device ot the class described comprising an enclosing casing, apartition liz-red therein, stropping rolls, and a blade holdersupportrotatably journaled in one end ot the casing and in saidpartition, a driver reciprocating into and out ot' said "using,rotatable sleeves mounted in said rolls and in the other end of saidcasing 'lior endwise movement, a driver having a telescopic drivi ingconnection with said sleeves, and means ilor shitting said blade holdersupport ou endwise lnoven'ient ot said sleeve.

7. A safety razor blade stropper eon'iprising an enclosing casing,hollow stropping rolls rotatably journalcd in said casing and held fromendvvise movement, a driver having spirals recil'irocable through saidrolls, sleeves shiiftably mounted in said casing and surrouinling saidspirals, a blade holder support, means operable by the reciproca tion otsaid driver tor shitting and rotating said sleeves means operable by theshifting ot said sleeves to position said blade holder support, anddriving connections between said sleeves and rolls :tor rotating saidrolls upon the rotation et said sleeves.

8. ln a safety razor blade stroppor, the

combination' of an' enclosing casing, rotatable tubes journaled thereinand held against endwise movement, stropping rolls liked to said tubes,a blade holder support likewise rotatably journaled therein againstendwise iiiovt-xn'ient and provided with a spi al. a spiral driverreciprocable into and out of said casing, and means operativelyconnecting said driver to said tubes ior rotating said tubes, said meansbeing operatively connected to the spiral on said blade holdersupportfor shifting said blade.

S). A. safety razor blade stropper comprising an enclosing casing,telescoping sleeves liournaled in the opposite ends oit said casing andinterconneettd for rotation together. a stropping roll ixedly mounted onthe outer o'tf said sleeves, a spiral driver reciprocating through saidSleeves, a driving connection between said driver and inner sleevewhereby to rotate said sleeves and cause their telescopic. movement, ablade support, and means for shitting said blade holder support by thetelescopic movement ol said sleeves.

10. A device of the class described comprising an enclosing easing,stropping` rolls and a blade holder, journaled therein, a. driver havingspirals reciprocating in said casing, a spiral on said blade holder,means `for driving said rolls from said spirals, and a bridge pieceengaging the spiral on said blade holder and shit'table by said rolldrivlllg 111621113.

'11. A device of the class described corn= prising an enclosing casing,a partition fixed therein, stropping rolls and a blade holder havingtheir oppositejournalsv in said casing and partition respectively, aspiral portion on said blade holder, a driver having spiralsreciprocating in said casing, means for driving said rolls troni saidspirals, and a bridge piece engaging the spiral on said blade holder andshiftable by said roll driving means.

l2. A device of the class described coinprising an enclosing casing,stropping rolls iournaled in spaced relation therein, a blade holdersupport journaled between said rolls and held from endwise movement,said blade holder support having a spiral portion, a spiral driverreciprocating into and out of said casing, and connections between saiddriver, said rolls and spiral portion ol said blade holder for rotatingsaid rolls and p0- sitioning the blade holder support with respectthereto.

13. A device of the class described comprising an enclosing casingadapted to be held in the hand, a stropping roll rotatably journaledtherein and held against endwise movement, an an gularly shiitable bladeholder support mounted therein, rigid, handheld driving meansreciprocable into and out of said casing, and devices connected to saidlOl stropping roll and blade holder support and actuated by -thereciprocation of said driving means for operating said stropping rolland for automatically positioning the blade holder support. l

14. A device of the class described comprising a support, a stroppingroll rotatably mounted thereon and held against endwise movement, ablade holder support mounted thereon, a manually operated driverreciprocable relatively to said support in a plane parallel with theaxis of rotation of said roll, and` devices actuated by thereciprocation of said driver and connected to said stropping roll andblade holder for actuating said roll and -for automatically positioningthe blade holder support.

15. A device of the class described comprising a support, ahollowstropping roll rotatably journaled thereon and held against endwisemovement, an angularly shiftable blade holder support mounted thereon, arigid driver reciprocable through the hollow of said roll, .and devicesconnected vto said stropping roll and'blade holder support andactuatedby the reciprocation of said driver for operating said stroppingroll and for automatically positioning said blade holder support. f

16. A device of the class described comprising a support, a 'hollowstropping roll and heldv stropping roll and for automaticallypositioning the blade holder support.

17. A device ofthe class described Vcomprising an enclosing casing,stropping rolls,

18. A device of the class described com-V prising in combination, anenclosing casing, a hollow tube journaled for rotation therein With itsend free from projection outside of said casing, a stropping rollmounted on said tube, a blade holder support mounted in said casing, adriver including a spiral member reciprocating into and out of saidtube, and devices tor rotating said roll operated by said spiral member,said devices including means cooperating with said blade holder supportto position the same.

19. A device of the class described coniprising an enclosing casing,hollow tubes journaled for rotation therein and held from substantialendwise movement, stropping rolls carried by said tubes, a blade holdersupport mounted in said casing, spiral driving members reciprocablethrough said tubes, and means for rotating said tubes and positioningsaid blade holder support on reciprocation of said spirals.

In Witness whereof, I have hereunto set my hand at lashington, Districtof Columbia, this '5th day of August, A. D. nineteen hundred andnineteen.

GEORGE D. GALLAGHER.

